本稿では，法令間の関係を用いた法令検索について述べる．特に，モビリティに関連する法令を対象として，その検索方法および検索結果を示す．法令データのオープンデータ化は徐々に進みつつある．これまでに，法令オープンデータのハブとなる法令の Linked Open Data (LOD) としてのデータ化をはじめに，種々の法令文書，国会での会議録や議案に関するデータのオープン化が進められてきた．一方で，その応用については十分に研究されていない．本稿では，モビリティを題材に，関連する法令を検索する方法について示す．具体的には，法令に関する LOD から法令間の関係を抽出し，グラフにおける検索技術であるPersonalized PageRank を用いて，関連法令を検索する．この検索を通して，現状の法令オープンデータの限界を明らかにするとともに，今後の展開について議論する．

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免許制はくずさないが, これまで制度上での卸, 小売の区分を, 実勢による姿となりうるよう制約を緩和することになった。これによって, 酒類業界は自由化へまた一歩を進めた。
本文は「免許-本化」の担当の佐藤氏に対話形式で, わかりやすく解説していただいた。まだ不安や疑問のある方もあると思うが, 熟読を願いたい。

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This paper examines the information structures regarding land owners of property in mountainous regions. For decades, these areas have been rapidly depopulated by massive migration to urban areas. Recently, the inhabitants have been passing away as they age. Therefore, the land ceases being used and it becomes increasingly difficult each year to find land owners living in urban areas. We investigated the situation in a community within Ohtoyo-cho, Kochi prefecture, through three land owners’ information sources: the land register, the tax cadastre, and the network of regional inhabitants. The information based on the network of regional inhabitants is available in even marginal communities. Maintaining the network is an urgent task. The land registration system has failed to meet the needs of the current situation and should be revised to avoid wasteful land use in the future.

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When urban development projects in Robe during Meiji era began and were finish-ed, the land transfer from and to the road administrator and the land ledger were proceeded
This Paper shows these procedures are thought a prototype of current legal systems for the projects by studying how these procedures were formed

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This Paper shows how the measures of urban development projects such as road development and replotting which were implemented in Kobe during Meiji era have influenced current legal systems for the projects by studying those measures and systems from the following point of view:
(1) purpose of projrcts (2) consensus building of land orners (e. g. written contract)(3) replotting system (4) road development projects.

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